package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * 菜品管理
 */
@Api(tags = "菜品相关接口")
@RestController
@Slf4j
@RequestMapping("/admin/dish")
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     *
     * @param dishDTO
     * @return
     */
    @ApiOperation("新增菜品")
    @PostMapping
    public Result add(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品的属性,{}", dishDTO);
        dishService.add(dishDTO);

        //清理缓存
        String key ="dish_"+dishDTO.getCategoryId();
        cleanCache(key);

        return Result.success();
    }

    /**
     * 菜品分页查询
     *
     * @param dishPageQueryDTO
     * @return
     */
    @ApiOperation("分页查询")
    @GetMapping("/page")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO) {
        log.info("菜品分页查询,{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 根据id批量删除菜品
     *
     * @return
     */
    @ApiOperation("批量删除")
    @DeleteMapping
    public Result delete(@RequestParam List<Long> ids) {
        log.info("需要删除菜品的id，{}", ids);
        dishService.delete(ids);

        //将所有的菜品缓存数据清理掉，所有以dish开头
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 根据id查询菜品用于回显
     *
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id) {
        log.info("根据id查询菜品，id", id);
        DishVO dishVO = dishService.getByid(id);
        return Result.success(dishVO);
    }

    /**
     * 修改菜品
     *
     * @return
     */
    @ApiOperation("修改菜品")
    @PutMapping
    public Result ModifyDish(@RequestBody DishDTO dishDTO) {
        log.info("修改菜品,{}", dishDTO);
        dishService.modifyDish(dishDTO);

        //将所有的菜品缓存数据清理掉，所有以dish开头
        cleanCache("dish_*");

        return Result.success();
    }

    /**
     * 菜品起售停售
     *
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售停售")
    public Result startOrStop(@PathVariable Integer status, Long id) {
        log.info("起售停售状态,{},菜品id,{}", status, id);
        dishService.startOrStop(status, id);
        //将所有的菜品缓存数据清理掉，所有以dish开头
       cleanCache("dish_*");


        return Result.success();
    }

//    /**
//     * 根据分类id查询菜品
//     *
//     * @param
//     * @return
//     */
//    @ApiOperation("根据分类id查询菜品")
//    @GetMapping("/list")
//    public Result<List<Dish>> getByCategoryId(@RequestParam Long categoryId) {
//        log.info("根据分类id查询菜品,categoryId:{}", categoryId);
//        List<Dish> list = (List<Dish>) dishService.getByCategoryId(categoryId);
//        return Result.success(list);
//    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        log.info("根据分类id查询菜品,categoryId:{}", categoryId);
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    /**
     * 清理缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }

}
